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Please Note: While open, major storm related trail repairs will be taking place at The City of Irvine's Quail Hill Loop Trail. We apologize for any inconvenience this may cause.

Activities and Programs

The activities below are offered by a variety of organizations and their dedicated volunteers. All programs are FREE unless noted below. Programs led by IRC-Certified Volunteers require pre-registration. No walk-up registrations will be permitted. Minors must be accompanied by a parent or guardian for all events. For policies of other organizations, please see the sign-up information provided.
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Our Activities and Programs

The activities listed are offered by a variety of organizations and their dedicated volunteers. All programs are FREE unless noted otherwise. Programs led by IRC-Certified Volunteers require pre-registration. No walk-up registrations will be permitted. Minors must be accompanied by a parent or guardian for all events. For policies of other organizations, please see the sign-up information provided.
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Tuesday, April 7, 2026

Ready for a workout? Forget the gym for the day and head outside! Join us for an exhilarating morning fitness hike on the paved Hicks Haul Road in OC Parks’ Irvine Ranch Open Space. This hike allows you to choose...

Date:
Tue, 04/07/2026
Time:
7:30 am - 10:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
16
Registration:
Registration Closed

Non-native and invasive plant species are invading our native habitat and open spaces. They aggressively compete with our native plants for resources and spreads rapidly once established. Monitoring, management, and removal of these plant species is an important aspect of...

Date:
Tue, 04/07/2026
Time:
8:30 am - 11:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
0 miles
Minimum Age:
18

Come out and enjoy the evening with us on the Orchard Hills loop trail. This trail meanders around an avocado orchard on the edge of the open space preserve and provides fantastic ridge-top views of Irvine and the Pacific coastline. The...

Date:
Tue, 04/07/2026
Time:
5:30 pm - 7:30 pm
Where:
Orchard Hills
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Registration:
0 of 20 Spaces Left

Join us for a fitness-focused hike on the paved Hicks Haul Road in the Irvine Open Space Preserve. During the spring, summer and fall, hikers will enjoy wonderful sunset views and a panoramic overview of Orange County. This hike travels...

Date:
Tue, 04/07/2026
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
Registration Closed

Wednesday, April 8, 2026

Explore the richness of Newport Beach’s Buck Gully Reserve as we hike during the beautiful early evening hours. The stream is running and the rich plant and animal life is enjoying the cool, shady canyon, making for a fantastic evening...

Date:
Wed, 04/08/2026
Time:
3:30 pm - 6:00 pm
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
4 miles
Minimum Age:
12
Registration:
11 of 20 Spaces Left

Leave the weekday chaos behind and dive into the peaceful beauty of Irvine Natural Landmarks with our energizing after-work cardio hike. Forget about the day’s worries as we trek through stunning landscapes, breathing in the fresh air and taking in...

Date:
Wed, 04/08/2026
Time:
5:30 pm - 8:00 pm
Where:
Red Rock Wilderness
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
18
Registration:
Registration Closed

Join us every Wednesday night in OC Parks’ Irvine Ranch Open Space for a fitness-focused hike on the paved Hicks Haul Road. During the spring, summer and fall, hikers will enjoy wonderful sunset views and a panoramic overview of Orange...

Date:
Wed, 04/08/2026
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
12 of 25 Spaces Left

Come out and enjoy the sunset with us on the Orchard Hills loop trail. This trail meanders around an avocado orchard on the edge of the open space preserve and provides fantastic ridge-top views of Irvine and the Pacific coastline. The...

Date:
Wed, 04/08/2026
Time:
6:00 pm - 8:00 pm
Where:
Orchard Hills
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Registration:
1 of 20 Space Left

Thursday, April 9, 2026

This week in OC Parks’ Irvine Ranch Open Space, we’ll hike in Limestone Canyon to Dripping Springs. The hike is a 7-mile loop hike which includes some hills and descents. In addition to the springs, we will enjoy panoramic views...

Date:
Thu, 04/09/2026
Time:
7:30 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Registration:
3 of 20 Spaces Left

Visitors to IRC’s Native Seed Farm are first greeted by our Demonstration Garden, providing inspiration for regionally suitable plant gardens. Our garden hosts a variety of native plant species which support a healthy local ecosystem! IRC Volunteers are invited to...

Date:
Thu, 04/09/2026
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm COI
Difficulty Rating:
1
Minimum Age:
12
Registration:
2 of 5 Spaces Left

Please be aware this is a Fitness Hike and not for beginners; the pace is approximately a 19-minute mile. Join Laguna Canyon Foundation Volunteers to raise your heart rate and your spirits on this strenuous, fast paced 6-mile hike over...

Date:
Thu, 04/09/2026
Time:
8:30 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
4
Minimum Age:
16

Hiking is a great way to connect to nature and stay healthy and active. If you are new to the outdoors, it can be difficult to know where to begin. Come out to the Gypsum Canyon Wilderness, part of OC...

Date:
Thu, 04/09/2026
Time:
9:00 am - 11:30 am
Where:
Gypsum Canyon Wilderness
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
6
Registration:
1 of 15 Space Left

Join OC Parks staff and volunteers for our monthly program where art meets ecology! Come explore the natural world through the lens of creativity by creating your own watercolor landscape scene of Upper Newport Bay. This program will feature a...

Date:
Thu, 04/09/2026
Time:
9:30 am - 11:30 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
14
Registration:
0 of 10 Spaces Left

Join OC Park naturalists for story time and short hike with your little ones (ages 3-6) as we explore poppies! Age: 3-6 year olds. Participants under 18 must be accompanied by a parent or guardian. Location: Nix Nature Center, Laguna Coast Wilderness Park (18751...

Date:
Thu, 04/09/2026
Time:
9:30 am - 10:30 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
3
Family Friendly:
Yes

Join us for a fitness-focused hike on the paved Hicks Haul Road in the Irvine Open Space Preserve. During the spring, summer and fall, hikers will enjoy wonderful sunset views and a panoramic overview of Orange County. This hike travels...

Date:
Thu, 04/09/2026
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
13 of 25 Spaces Left

Friday, April 10, 2026

Enjoy self-guided access in the southern portion of Irvine’s Open Space Preserve. The entire southern Open Space Preserve trail network will be open for self-guided hiking and biking from 8 am to 1 pm. This includes the single tracks in...

Date:
Fri, 04/10/2026
Time:
8:00 am - 1:00 pm
Where:
Bommer Canyon Preserve
Difficulty Rating:
Variable
Distance:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
86 of 100 Spaces Left

Looking for a way to give back to Nature this Spring? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm in Irvine! Every day at the farm is different; depending on the needs of...

Date:
Fri, 04/10/2026
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm COI
Difficulty Rating:
2
Minimum Age:
8
Registration:
6 of 15 Spaces Left

Join OC Parks volunteers in restoring and maintaining local habitats by removing invasive, non-native plants like White Horehound, Tree Tobacco, Italian Thistle, Sahara Mustard, and many others. Seeding and planting is also possible. Volunteers will engage in use of tools,...

Date:
Fri, 04/10/2026
Time:
8:00 am - 12:00 pm
Where:
Whiting Ranch Wilderness Park
Difficulty Rating:
Variable
Minimum Age:
16
Registration:
6 of 8 Spaces Left

Join us for a five-mile fitness hike (averaging about 3 mph) with rolling hills before experiencing yoga the Cattle Camp. This historic old west setting connects us with the history of The Irvine Ranch and the barn’s outdoor stage is...

Date:
Fri, 04/10/2026
Time:
8:00 am - 11:00 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
18
Registration:
1 of 20 Space Left

Join us as we explore the native seed farm while learning about plants, pollination, and pollinators. We’ll focus on the native plants grown at the farm as we talk about, and identify, the pollinators we find on them. Closed-toe shoes...

Date:
Fri, 04/10/2026
Time:
9:15 am - 10:45 am
Where:
Native Seed Farm COI
Difficulty Rating:
1
Distance:
1 miles
Minimum Age:
10
Registration:
12 of 15 Spaces Left
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